# Process Maintenance Technician at Mariana Minerals

Process Maintenance Technician at Mariana Minerals in Moab, UT. On-site, full-time. Posted October 23, 2026.

- Company: Mariana Minerals
- Location: Moab, UT
- Workplace: On-site
- Job type: Full-time
- Experience: 2+ years
- Posted: 2026-10-23
- Apply: https://jobs.ashbyhq.com/marianaminerals/73182332-04a0-4c7c-872c-79bae0bba21b/application
- Source: https://jobmagic.ai/jobs/process-maintenance-technician-mariana-minerals-bpamv2

## Requirements

- 2+ years of maintenance experience in fixed plant, mining, industrial, or heavy manufacturing environments.
- Strong hands-on skills in at least one area: pumps, welding and fabrication (MIG, stick, cutting), or mechanical troubleshooting.
- Working knowledge of pumps, motors, gearboxes, piping systems, and mechanical drive systems.
- Basic electrical knowledge, including reading wiring diagrams, using a multimeter, and troubleshooting motors and controls. Industrial electrical experience is a plus.
- Ability to read and interpret service manuals, parts manuals, schematics, and technical documentation.
- Ability to work safely in an active mine environment and perform physically demanding tasks.
- Experience using computerized maintenance management systems (CMMS).
- Strong communication skills and ability to work effectively with operators, electricians, and support teams.

## Description

**About Mariana Minerals**Mariana Minerals is a software-first, vertically integrated minerals company on a mission to supply the critical minerals powering modern energy, AI, and defense technologies. We’re reimagining the minerals supply chain by combining deep industry expertise with advanced software, automation, and data-driven decision-making.
Through its Copper One platform, Mariana Minerals owns and operates Lisbon Valley Mining Company, a producing open-pit copper mine in southeastern Utah running 24/7.
As a Process Maintenance Technician, you'll maintain and repair everything that's "nailed to the ground": pumps, compressors, boilers, piping, valves, and the buildings that keep the operation running. The ideal candidate is strong in at least one area, such as pumps, welding, or troubleshooting, and is ready to cross-train in the rest.
 

### **Responsibilities**

- Diagnose, install, and repair fixed plant equipment, including pumps, compressors, boilers, fans, motors, gearboxes, piping, valves, and automated valves, identifying root causes.

- Maintain site buildings and infrastructure, including truck shops, admin buildings, and plumbing systems, along with portable equipment such as mobile air compressors and pumps.

- Perform welding and fabrication for pipe, frames, handrails, grating, and structural repairs.

- Perform equipment rebuilds, component replacements, lubrication, inspections, oil sampling, and other preventive and condition-based maintenance.

- Perform basic electrical troubleshooting and repair on motors, starters, and controls, and work alongside electricians to rack out, unwire, install, and troubleshoot process equipment.

- Safely operate forklifts, overhead cranes, boom trucks, and other material-handling equipment.

- Document inspections, repairs, and parts in work orders and the CMMS.

- Follow MSHA regulations, lockout/tagout procedures, PPE requirements, and company SOPs.

### **Qualifications**

- 2+ years of maintenance experience in fixed plant, mining, industrial, or heavy manufacturing environments.

- Strong hands-on skills in at least one area: pumps, welding and fabrication (MIG, stick, cutting), or mechanical troubleshooting.

- Working knowledge of pumps, motors, gearboxes, piping systems, and mechanical drive systems.

- Basic electrical knowledge, including reading wiring diagrams, using a multimeter, and troubleshooting motors and controls. Industrial electrical experience is a plus.

- Ability to read and interpret service manuals, parts manuals, schematics, and technical documentation.

- Ability to work safely in an active mine environment and perform physically demanding tasks.

- Experience using computerized maintenance management systems (CMMS).

- Strong communication skills and ability to work effectively with operators, electricians, and support teams.

### **Working Environment and Schedule**

- **Schedule:** 7 days on / 7 days off, 12-hour shifts, rotating between days and nights.

- **Housing & Relocation:** Housing and relocation assistance options are available.

- Able to walk rough terrain, climb, and lift 50+ lbs in all weather conditions.

- Exposure to dust, fumes, and chemicals (including sulfuric acid); full PPE required.

### **Our culture is built on four principles:Everyone Gets Home Safe. **We never put speed or cost ahead of people.
**Extreme Ownership. **We take full responsibility for outcomes, relentlessly driving toward solutions.
**Engineer Out Requirements, then Automate. **We simplify, optimize, and then automate for scale.
**Share Your Legos.** We collaborate openly, share knowledge, and empower each other to build bigger, better solutions.

**Join us as we build the future of responsible mineral sourcing and supply!**